ND-500A

• FOUR RANGE RUGGED DUSTPROOF 0-500mR/hr SURVEY METER
 
• USES TWO "D" CELL BATTERIES
 
• REGULATED HIGH AND LOW VOLTAGES-FULLY TRANSISTORIZED
 
• RUGGED 3.5" METAL METER MOVEMENT
 
• 0-500, 0-50, 0-5, 0-0.5mR/hr RANGES
 
• TWO PIECE NYLON REINFORCED FIBERGLASS CASE
 
• BATTERY/HIGH VOLTAGE TEST POSITION ON RANGE SWITCH
 
• HALOGEN QUENCHED, ENERGY COMPENSATED GM TUBE WITHIN 20% FROM 50-2000KeV GAMMA AND X-RAY
 
• INDIVIDUAL CALIBRATION POTENTIOMETERS FOR EACH RANGE
 
• 4.4"W x 7.75"L x 6.25"H INCLUDING HANDLE
 
• 3 POUNDS, 13 OUNCES/1.73 KILOGRAMS WITH BATTERIES
 
•